once; already; former; previously; ever; (past tense marker used before verb or clause)[cedict]
看
kānㄎㄢ
kànㄎㄢˋ
to look after; to take care of; to watch; to guard[cedict]
it depends; think; to see; to look at[cedict]
过
guòㄍㄨㄛˋ
(experienced action marker); to cross; to go over; to pass (time); to celebrate (a holiday); to live; to get along; excessively; too-; surname Guo[cedict]